package com.sky.service;

import com.sky.context.BaseContext;
import com.sky.dto.ShoppingCartDTO;
import com.sky.entity.ShoppingCart;

import java.util.List;

public interface ShoppingCartService {

     /**
      * 新增购物车
      * @param shoppingCartDTO
      */
     void addShoppingCart(ShoppingCartDTO shoppingCartDTO);

     /**
      * 查看购物车
      * @return
      */
    List<ShoppingCart> showShoppingCart();
     /**
      * 清空购物车
      */
    void cleanShoppingCart();

    /**
     * 删除购物车中一个商品
     * @param shoppingCartDTO
     */
    void subShoppingCart(ShoppingCartDTO shoppingCartDTO);
}